“The Effect of Health Education Method Using Printed Booklet Media on Adolescents’ Knowledge Level About Sexually Transmitted Diseases (STDs): A Pre-Experimental Study Among Grade XI Students of SMAN 3 Surabaya, Indonesia”. 2026. International Journal of Advanced Health Science and Technology 6 (3): 220-26. https://doi.org/10.35882/ijahst.v6i3.601.